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To preserve, enhance, and restore the quality of California’s water resources and drinking water for the protection of the environment, public health, and all beneficial uses, and to ensure proper water resource allocation and efficient use, for the benefit of present and future generations

California State Water Resources Control Board

The Division of Drinking Water requires laboratories to submit water quality
data directly. The data is received, and published twice monthly on the
Division's water quality
[portal](https://www.waterboards.ca.gov/drinking_water/certlic/...